.swiper {
    width: 100%;
    height: 250px;
}

footer {
    width: 100%;
}

body {
    display: flex;
    flex-direction: column;
    line-height: 1.15;

    // overflow: scroll;
    main {
        flex: 1;
        overflow: scroll;
        padding: 0 10px;

        nav {
            width: 100%;
            height: 150px;
            display: flex;
            justify-content: space-around;
            margin: 10px 0;

            .lf {
                width: 150px;
                height: 150px;
                // opacity: 0;
                border-radius: 15px 15px 15px 15px;
                background: rgba(21, 146, 204, 0.73) url(../../assets/imgs/index-card-rank.png) no-repeat -5px 20px;
                background-size: 120px;
                position: relative;

                h2 {
                    color: rgba(0, 78, 115, 1);
                    font-weight: bold;
                    font-size: 20px;
                    margin-left: 15px;
                    padding-top: 15px;
                }

                span {
                    display: block;
                    position: absolute;
                    color: rgba(255, 255, 255, 1);
                    font-size: 80px;
                    right: 15px;
                    bottom: 0;
                }

            }

            .r {
                width: 51%;
                height: 150px;
                background: rgba(123, 203, 245, 0.73) url(../../assets/imgs/index-card-sum.png) no-repeat 10px 35px;
                background-size: 100px;
                // opacity: 0.73;
                border-radius: 15px 15px 15px 15px;
                position: relative;

                h2 {
                    color: rgba(0, 81, 119, 1);
                    font-size: 20px;
                    margin-left: 15px;
                    padding-top: 15px;
                    font-weight: 600;
                }

                button {
                    width: 100px;
                    height: 40px;
                    background-color: rgba(170, 217, 247, 0);
                    color: rgba(0, 78, 115, 1);
                    font-size: 16px;
                    text-align: center;
                    border: 3px solid rgba(0, 81, 119, 1);
                    border-radius: 20px;
                    position: absolute;
                    right: 15px;
                    bottom: 25px;
                    font-weight: 600;
                }
            }
        }

        article {
            width: 100%;
            height: 110px;
            display: flex;
            justify-content: space-around;
            margin: 10px 0;

            .lf {
                width: 45%;
                height: 110px;
                background: url(../../assets/imgs/index-card-data.png) no-repeat;
                background-size: cover;
                // opacity: 0.73;
                border-radius: 15px;

                h2 {
                    color: rgba(255, 255, 255, 1);
                    font-size: 16px;
                    margin-left: 15px;
                    padding-top: 15px;
                    font-weight: 600;
                }
            }

            .r {
                width: 45%;
                height: 110px;
                background: #7BCBF5 url(../../assets/imgs/index-card-badge.png) no-repeat;
                background-size: contain;
                // opacity: 0.58;
                border-radius: 15px;
                position: relative;

                h2 {
                    color: rgba(0, 81, 119, 1);
                    font-size: 16px;
                    margin-left: 15px;
                    padding-top: 15px;
                    font-weight: bold;
                }

                span {
                    position: absolute;
                    right: 15px;
                    bottom: 5px;

                    b {
                        color: rgba(0, 78, 115, 1);
                        font-size: 80px;
                        font-weight: 400;
                    }
                }
            }
        }

        section {
            width: 100%;
            height: 110px;
            border-radius: 15px;
            background: url(../../assets/imgs/course-img04.jpg);
            background-size: cover;
            margin: 10px 0;

            h2 {
                color: rgba(255, 255, 255, 1);
                font-size: 16px;
                margin-left: 15px;
                padding-top: 15px;
                font-weight: 600;
            }
        }

        aside {
            width: 100%;
            height: 110px;
            border-radius: 15px;
            background: url(../../assets/imgs/course-img02.png);
            background-size: cover;
            margin: 10px 0;

            h2 {
                color: rgba(255, 255, 255, 1);
                font-size: 16px;
                margin-left: 15px;
                padding-top: 15px;
            }
        }
    }

    ul {
        background-color: #fff;
    }
}